Authorities are stepping up the corruption investigation into the family of Ling Jihua, a former close aide to Hu Jintao. Ling was thrown into the spotlight during the time of the leadership transition in 2012 when it was revealed that his son has been killed after crashing his Ferrari and that top Party officials had helped cover up the accident. At the time, the allegations appeared to damage Hu Jintao’s influence in the government as Xi Jinping took over power. Now, Ling